Date: Sun, 25 Nov 2007 04:13:30 -0600 (CST) From: Mike Silbersack <silby@silby.com> To: Ian FREISLICH <ianf@clue.co.za> Cc: current@freebsd.org, Kip Macy <kip.macy@gmail.com> Subject: Re: TCP RST+data! Message-ID: <20071125040951.B1206@odysseus.silby.com> In-Reply-To: <E1IwD8X-0000aH-RU@clue.co.za> References: <E1IwD8X-0000aH-RU@clue.co.za>
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On Sun, 25 Nov 2007, Ian FREISLICH wrote: >>> I see. Playing around with net.inet.tcp sysctls, disabling delayed_ack >>> fixes the problem with this phone. Do you think that this is a bug >>> in the phone's TCP stack? >>> >> >> Is there a proxy involved or is this session end-to-end? Not sure if >> you described the setup but it might be useful (e.g. is the phone using >> wireless). > > There the one connecting side was wireless, but it made no difference > connecting over wired ethurnet end to end. There is no proxy > involved. Both host and the phone are on the same subnet. > > Ian > > -- > Ian Freislich Can you post a tcpdump of a successful connection with delayed_ack disabled and then the same attempted (unsuccessful) connection with delayed_ack reenabled? Please use -s 0 (to catch the entire packet) and use -w to write the binary dump data to a file. That'll allow us to look at the entire data payload. It's probably best to post those dumps on a server somewhere and just post the urls to the list. Thanks, -Mike
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